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Marquise|Lab Grown|IGI

1.85ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG778690171

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG778690171

Diamond specifications and retailer prices

From €261 EUR
$292 USD
As of October 30, 2026
Save €1,316 EUR (83%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €1,578 EUR at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 1.85ct lab-grown marquise diamond

This 1.85ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778690171 or 778690171. Listed at 6 retailers as of October 30, 2026, with prices from €261 to €1,578, a €1,316 spread on the same certified stone. Frank Darling lists it at €1,578. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.85
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778690171
Dimensions13.20 × 6.31 × 3.97 mm
L/W Ratio2.09
Girdle conditionFaceted
Culet sizePointed
Top View
13.20 mm6.31 mm1.85 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778690171
Side View
Table 56.0%Crown 34.7°Girdle: ThinPavilion 40.4°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,578 EUR|Low: €160 EUR|High: €1,578 EUR|Avg: €727 EUR|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 5€160 EUR
Retailer 8€261 EUR
Retailer 9€387 EUR
Retailer 14€474 EUR
Retailer 13€482 EUR
Retailer 12€520 EUR
Retailer 11€532 EUR
Retailer 4€658 EUR
Retailer 7€746 EUR
Retailer 6€814 EUR
Retailer 15€983 EUR
Retailer 2€1,030 EUR
Retailer 10€1,208 EUR
Retailer 3€1,248 EUR
Frank Darling€1,578 EUR

12 data points across 15 retailers

6 retailers€261 EUR to €1,578 EUR

A
Cheapest Retailer
-
€261 EUR
$292 USD
Final sale: no returns
B+
Retailer 2
-
€387 EUR
$432 USD
View
Retailer 3
-
€746 EUR
A$1,283 AUD
View
Price last confirmed 121 days ago
B+
Retailer 4
-
€1,030 EUR
$1,151 USD
View
B
Retailer 5
-
€1,208 EUR
$1,350 USD
View
Most Expensive
B
Frank Darling
100752819164KD · Oct 31
€1,578 EUR
$1,763 USD
View
5 more retailers have this diamond
Prices start from €261 EURSave up to €1,316 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.85ct Marquise
€261 EUR